Home / 94,178.11-129,965.76-51,736.60

Finding the Fourth Proportional to 94,178.11, 129,965.76 and 51,736.60

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Solution

The fourth proportional to 94,178.11, 129,965.76 and 51,736.60 is: 71,396.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,178.11 : 129,965.76 = 51,736.60 : x
  2. Step 2: Convert to fraction form
    94,178.11/129,965.76 = 51,736.60/x
  3. Step 3: Cross multiply
    94,178.11x = 129,965.76 × 51,736.60
  4. Step 4: Simplify right side
    94,178.11x = 6,723,986,538.82
  5. Step 5: Solve for x
    x = 6,723,986,538.82/94,178.11
  6. Step 6: Final answer
    x = 71,396.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.